Introductory Astronomy: Analyzing the Hubble Plot

Video lecture that shows you how to analyze the Hubble Plot, and what aspects of the plot mean. Video discusses how to determine the age of the Universe, and the rate of expansion for the Universe. Video also discusses the discovery that the Universe has an accelerated expansion.

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Q: The larger the distance to a galaxy, the larger the redshift. And
then there are several theories about what causes that redshift?
And: If there would be a redshift because of the distance, then galaxies
that are moving away seem to move away with increasing speed?
Or not?